2-AI
Aliases: Su 8629, 2-indanamine, 2-aminoindan, Pink champagnes, 2ai
Summary
2-AI is a rigid amphetamine analogue that surfaced as a research chemical in the early 2000s. Reports describe mild, functional stimulation with minimal euphoria. Toxicology data remain sparse and some jurisdictions regulate it alongside amphetamine analogues.
Dose Information
| ROA | Light | Common | Strong | Heavy |
|---|---|---|---|---|
| Oral | 5-10mg | 10-20mg | 20-40mg | 40mg+ |
Light
Common
Strong
Heavy
Onset, Duration & After-effects
| ROA | Onset | Comeup | Peak | Offset | Total |
|---|---|---|---|---|---|
| Oral | 15-45 min | 30-60 min | 30-90 min | 1-2 hrs | 2.2-5.2 hrs |
| Insufflated | 5-15 min | 15-30 min | 30-90 min | 1-2 hrs | 1.8-4.2 hrs |
| Rectal | 5-10 min | 15-30 min | 30-90 min | 1-2 hrs | 1.8-4.2 hrs |
Effect Profile
12 reportsScores (1–10) curated from multiple sources:
- Effect keyword matching from PsychonautWiki catalog
- Weighted by importance: core (×3), major (×2), minor (×1)
Stimulant
6.6
Strong+
7/10
Strong focus, anxiety/jitters, and euphoria with mild stimulation
Stimulation / Energy
×3
5
stimulation
wakefulness
Euphoria / Mood Lift
×2
9
euphoria
cognitive euphoria
mood lift
motivation enhancement
Focus / Productivity
×2
10
focus enhancement
analysis enhancement
memory enhancement
thought acceleration
motivation enhancement
Anxiety / Jitters
×1
10
anxiety
teeth grinding
increased heart rate
bruxism
sweating
Based on reports from:
Tolerance
Build-up
develops over days to weeks of regular use
Reset
3–7 days for acute tolerance; longer for full reset
Tolerance Decay
Full tolerance
1d
Half tolerance
10d
Baseline
~18d
Effects
Aggregated from 12 Erowid experience reports
Positive Effects 5
Stimulation
66.7%
70%
Euphoria
50.0%
70%
Focus Enhancement
33.3%
70%
Music Enhancement
33.3%
70%
Tactile Enhancement
25.0%
70%
Adverse Effects 2
Anxiety
58.3%
70%
Increased Heart Rate
50.0%
70%
2-AI's nerd page
Pharmacology, chemical data, effect profiles, and more
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